Additional validations when addding manual entries.  Insuring that whitespace is not a valid entry for all but the rsl.  Strips whitespace front and back.
Additional validations when addding manual entries.  Insuring that whitespace
is not a valid entry for all but the rsl.  Strips whitespace front and back.

holzman/glideinwms-old,holzman/glideinwms-old,holzman/glideinwms-old